Boom Supersonic, the Colorado company building a radically faster
commercial aircraft, announced that it has closed a $100 million Series B
investment round, bringing total funding to over $141 million.
Investors, led by Emerson Collective, include Y Combinator Continuity,
Caffeinated Capital, and SV Angel as well as founders and early backers
of transformative companies like Google, Airbnb, Stripe, and Dropbox.
The proceeds of Boom’s Series B round, which include $56 million in new
investment as well as previously-announced strategic investments, allow
the company to advance the development of its Mach-2.2 commercial
airliner called Overture.

“This new funding allows us to advance work on Overture, the world’s
first economically viable supersonic airliner,” said Blake Scholl,
founder and CEO of Boom Supersonic. “At Boom, our vision is to remove
the barriers to experiencing the planet. Today, the time and cost of
long-distance travel prevent us from connecting with far-off people and
places. Overture fares will be similar to today’s business
class—widening horizons for tens of millions of travelers. Ultimately,
our goal is to make high-speed flight affordable to all.”

“Our interest in Boom is driven by its vision to enable greater human
connection and more empathetic natural and cultural experience through
ecologically conscientious design. Boom has the leadership, values, and
potential to accelerate many advances—lightweight carbon composites and
greener fuels—that will reduce the climate impacts of aviation,” said
Andy Karsner, Managing Partner at Emerson Collective and leader of
Elemental, its energy and environmental affiliate. “We’re thrilled to
partner with a company that’s committed to revolutionizing travel
responsibly.”

Overture will be the most community- and environmentally-friendly
supersonic jet ever made. Thanks to advanced aerodynamics and engines,
the carbon footprint will be similar to flying international business
class today. Moreover, Overture is being designed to accommodate
next-generation sustainable alternative fuels. At landing and takeoff,
Overture will be as quiet as the subsonic aircraft flying similar routes
today.

Boom is currently assembling XB-1, a ⅓-scale manned prototype of its
Mach-2.2 airliner. XB-1 will be piloted by Chief Test Pilot Bill “Doc”
Shoemaker and is set to fly later this year. As history’s first
independently developed supersonic jet and the fastest civil aircraft
ever built, XB-1 will demonstrate in flight the key technologies for
mainstream supersonic flight: efficient aerodynamics, advanced composite
materials, and an efficient propulsion system.

Boom is growing quickly as it ramps up development. Today, the
company has a full-time team of more than 100 and anticipates doubling
this year. To accommodate the assembly of XB-1 and development of
Overture, Boom recently relocated to a large, state-of-the-art facility
in Centennial, Colorado. Selection efforts are ongoing for the
manufacturing site for Overture, which will begin passenger service in
the mid-2020s. Future customers include Virgin Group and Japan Airlines,
which have pre-ordered a combined 30 Overture airliners.

About Boom

Boom Supersonic is the Denver-based company building supersonic
airliners. Founded in 2014, its vision is to remove the barriers to
experiencing the planet: time, money, and hassle. Boom is backed by
world-class investors including Emerson Collective, Y Combinator,
Caffeinated Capital, SV Angel, and individuals including Sam Altman,
Paul Graham, Ron Conway, Michael Marks, and Greg McAdoo. The company has
announced pre-orders of its Overture airliner from airlines including
Japan Airlines and Virgin Group.